remove old doc dependency

this added pandas as a sub-dependency and added ~200Mb of data during install of [doc]

Author: neomatamune

requirements.doc.txt

@@ -4,7 +4,6 @@ mkdocs-gen-files~=0.5.0
 mkdocs-include-dir-to-nav~=1.2.0
 mkdocs-literate-nav~=0.6.2
 mkdocs-material[imaging]~=9.6.10
-mkdocs-table-reader-plugin~=2.2.2
 mkdocstrings[python]~=0.29.0
 mike~=2.0.0
 pymdown-extensions~=10.7